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England and Wales High Court (Technology and Construction Court) Decisions |
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You are here: BAILII >> Databases >> England and Wales High Court (Technology and Construction Court) Decisions >> Co -Operative Group Ltd v Carillion JM Ltd & Anor [2014] EWHC 837 (TCC) (27 March 2014) URL: http://www.bailii.org/ew/cases/EWHC/TCC/2014/837.html Cite as: [2014] EWHC 837 (TCC) |
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QUEEN'S BENCH DIVISION
TECHNOLOGY AND CONSTRUCTION COURT
Strand, London, WC2A 2LL |
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B e f o r e :
____________________
CO-OPERATIVE GROUP LIMITED |
Claimant |
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- and - |
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CARILLION JM LIMITED (Formerly JOHN MOWLEM & COMPANY LIMITED) |
Defendant |
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- and - |
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PENNINE VIBROPILING LIMITED |
Third Party |
____________________
Ben Patten QC and James Medd (instructed by Berrymans Lace Mawer LLP) for the Defendant
Hearing date: 7 March 2014
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Crown Copyright ©
Mr Justice Akenhead:
• Claim form issued against Defendant (D) | 3 August 2007 |
• Claim form issued against John Allen | c. August 2007 |
• John Allen's Part 20 against D | 13 February2008 |
• D's claim against Pennine in John Allen case | 11 April 2008 |
• D and Pennine compromise agreement | 10 March 2009 |
• Judgment for John Allen against Claimant(C) | 14 September 2010 |
• Particulars of Claim C against D | 10 January 2012 |
• D's Part 20 proceedings issued against Pennine | 3 April 2012 |
• Remedial work done | Jan-July 2012 |
• Defence of Pennine | 11 December 2012 |
• Defence of D in main proceedings | 11 February 2013 |
• Case Management Conference (trial date fixed) | 15 March 2013 |
• Reply | 9 April 2013 |
• CMC | 18 October 2013 |
• Settlement and stay of Part 20 proceedings | 6 February 2014 |
• C's disclosure application | 11 February 2014 |
• D's disclosure application | 21 February 2014 |
• Trial date start | 19 May 2014 |
(a) At Paragraph 5.6, it pleaded:
"On 7 June 1996 in a conversation with Mowlem's Timothy Younge, Kevin Leach of John Allen agreed to relax the specification to settlement of 30mm at the centre and 15mm at the edge of the slab. Mowlem confirmed this relaxation in a letter to John Allen that day."
(b) It made a number of admissions in Paragraph 16 which addressed Paragraph 18 of the Particulars of Claim and in Paragraph 17:
"16.8…It is admitted that Pennine's records suggest that it used less stone than it should have done and that its columns were deficient for that purpose…
16.11…Whilst it is admitted that Pennine's design was defective (see below) this was for geotechnical reasons…
17.1 It is admitted that the design undertaken by Pennine was defective and not capable of achieving a floor which achieved a maximum settlement of 30mm at the centre and 15mm at the edge. The Defendant's case is that Pennine's calculations drastically underestimated total settlement by employing an unrealistic settlement reduction factor, an unduly optimistic Mv factor (being half the measured value), failing to give any consideration to secondary consolidation settlement and adopting a generous allowance for stress reduction with depth.
17.2 It is further admitted that Pennine's design was not competent by reason of its unrealistic settlement reduction factor and unduly optimistic Mv factor…
17.6 If contrary to its primary case as set out above, on a proper construction of the Deed of Warranty, a failure by Pennine to act with reasonable skill and care constitutes a failure by Mowlem to act with reasonable skill and care, the Defendant admits breach of the Deed of Warranty on the basis of the defects in Pennine's design and its failure to construct columns with sufficient stone."
(c) Paragraph 19 pleaded a positive case on causation to the effect that the cracking and sloping of the floors are were caused by errors in a ground conditions report, errors in John Allen's foundation design and errors in the design undertaken by Pennine, with poor workmanship being "a minor contributory factor".
(d) Broadly, the Defendant was saying that it was not liable simply because Pennine got it wrong and that it had exercised all the requisite material care and skill called for by the Deed of Warranty.
The Defendant's Application to Amend its Defence
The Law
"45. From these cases and the CPR I draw the following principles:
1. In exercising its discretion the Court will consider all the circumstances of the case and seek to give effect to the overriding objective.
2. Amongst the matters to be considered will be:
(a) the reasons and justification for the application which must be made in good faith;
(b) the balance of prejudice to the parties;
(c) whether any party has been the author of any prejudice they may suffer;
(d) the prospects of success of any issue arising from the withdrawal of an admission;
(e) the public interest, in avoiding where possible satellite litigation, disproportionate use of Court resources and the impact of any strategic manoeuvring.
3. The nearer any application is to a final hearing, the less change of success it will have, even if the party making the application can establish clear prejudice. This may be decisive if the application is shortly before the hearing."
Discussion on Amendment
(a) Paragraph 7.3 and paragraphs reliant on the proposed amendment
"7.3 The third sentence [of Paragraph 8] is denied. The criteria were that the maximum settlement would be settlement of 30mm at the centre and 15mm at the edge. These criteria were agreed between Mowlem and John Allen as set out in paragraph 5.6 above and following receipt by John Allen of the documents referred to in paragraphs 5.2 to 5.5. In these premises, the criteria were agreed upon the assumptions that:
7.3.1 the floor slab would bear entirely on the ground and without rigid support from underlying pile caps;
7.3.2 the required loadings were inclusive of both live and dead loads.
That this was the basis of Vibroflotation's tender and specifications was confirmed in the calculations made submitted to John Allen on 26th of June 1996."
Paragraph 8 of the Particulars of Claim referred to the fact that the Defendant initially appointed Vibroflotation and that they had agreed a relaxation of the specification acceptable to John Allen and the third sentence identified that the "criterion for settlement agreed with Vibroflotation was…a total settlement of 30mm in the centre of the slab with the maximum differential settlement being 15mm." This amendment in effect spawns other amendments including those in Paragraphs 8.2, 14.3, 17.1 and 17.4.
"16.8 The allegation in paragraph 18(7) is denied. It isadmitteddenied that Pennine's records suggest that it used less stone than it should have done and/or that its columns were deficient for that or any other reason…
16.12 Subject to what is stated at paragraph 16.8 above, the first sentence of paragraph 18(11) is admitted. It is repeated that the size of the stone columns included in Pennine's calculations was nominal only. Accordingly the fact that the diameter of the stone columns constructed was less than that assumed in those calculations did not make it obvious that the work undertaken would not and could not comply with the contractual settlement limits. The allegation that it should have been obvious to Mowlem that vibro compaction were conducted to their design could not comply with the settlement limits in the Specification is denied (not least because the claimant has misstated those limits.No admissions are made as to what should have been obvious to Pennine.
17.1 It is admitted that the design and/or calculations undertaken by Pennine werewasdefective and that had that design and those calculations been carried out with reasonable skill and care Pennine would have realised that the vibro replacement works wereandnot capable of achieving a floor that achieved a maximum settlement of 30mm at the centre and 15mm at the edge on the assumptions set out in paragraph 7.3 above.
Store Areas
17.2 It is admitted that in the respects set out below, Pennine's calculations with regard to the store areas contained some over optimistic and/or wrongly assessed values and errors, which, if corrected and based on the 500 mm diameter columns in fact installed, under a load of 15 kN/m² of the working platform would have resulted in a settlement prediction after vibro replacement of approximately 40 mm. It is further admitted that acting competently Pennine would have alerted Mowlem of this settlement prediction, who in turn would have alerted John Allen.
17.2.1 It is admitted that the stone column diameter used in the calculations was greater than that achieved on site. It is denied that this was negligent. The stone column diameter used in the calculations was nominal only.
17.2.2 In any event, stone column stiffness parameters used in the calculations were extremely conservative…
17.2.3 Pennine's method for the load split between stone columns and the ground was computed accurately using the Baumann and Bauer calculation method. It is denied that it was negligent of Pennine to use this method…
17.2.4 Whilst it is admitted that the earth pressure coefficients for the soil and column material assume by Pennine in their calculations were incorrectly assessed, it is denied that the settlement reduction factor of 0.6 was of itself unrealistic or negligent…
17.2.7 The soil Mv values adopted by Pennine were in fact reasonable estimates of the average compressibility of the grounds based on the site investigation and laboratory test data available to them at the time…
17.2.8 It is admitted that in their settlement calculations Pennine adopted an inappropriate value for µ of 0.6 by way of a correction factor for the very soft clay...
17.2.9 Pennine's settlement calculations were based on Hobbs' linear dispersion of load spread below the slab…This was optimistic, but not negligent…
17.2.10 It is denied that Pennine was under an obligation to give consideration to secondary consolidation settlement or was negligent in failing to do so…
17.2.11 Whilst it is admitted that Pennine's calculations did not include an additional allowance for dead loads including the load of the supermarket floor slab, it is denied that Pennine or Mowlem was under a contractual obligation to ensure that they did.
The Warehouse
17.3 It is admitted that Pennine's calculations with regards to the warehouse contained wrongly assessed values and errors, which, if corrected and based on the 500mm diameter columns in fact installed, under a load of 31.5 kN/m² on the working platform would have resulted in a settlement prediction after vibro replacement of approximately 80 mm. It is further admitted that acting competently Pennine would have alerted Mowlem of this settlement prediction, who in turn would have alerted John Allen.
The Defendant's case is that Pennine's calculations drastically underestimated total settlement by employing an unrealistic settlement reduction factor, an unduly optimistic Mv factor (being half measured value), failing to give any consideration to secondary consolidation settlement and adopting a generous allowance for stress reduction with depth.
17.4 It is further admitted that Pennine's design was not competent by reason of its unrealistic settlement reduction factor and an unduly optimistic Mv factor.
17.4 It is denied that Mowlem should have appreciated that Pennine's design and/or calculations werewasincompetent or that the design parameters of a maximum settlement of 30mm at the centre and 15 mm at the edge on the assumptions set out in paragraph 7.3 above could not be met utilising that design and/or those calculations either in the store areas or in the Warehouse.
17.4.1 Further or alternatively, if the Defendant's case as to the basis of these criteria set out in paragraph 7.3.1 above fails, it's case is that the criterion that there should be maximum settlement of 15 mm at the edge were in fact met because, in accordance with John Allen's design, the edges of the floor slab were supported on piles.
Pennine's workmanship
17.5 Save that it is admitted that its columns weretoosmaller than the nominal value shown in its calculations, it is deniednot admittedthat Pennine's workmanship was defective. If and in so far as the workmanship was defective it is denied that it was an effective cause of any failure of the vibro compaction works to achieve the design parameters of a maximum settlement of 30 mm at the centre and 15 mm at the edge as those parameters are correctly to be understood, or at all.
19.1 The causes or cracking to the floor slab and excessive slopes to the supermarket floor are a combination of (1) errors in the ground conditions report by LBH Wembley and (2) errors in the foundation design prepared by John Allenand (3) errors in the design undertaken by Pennine. Subject to proof of the extent of the same, it may be that a minor contributory factor was all workmanship by Pennine."
(a) Paragraphs 16.8 and 16.12 are abstruse if not contradictory. Paragraph 16.8 withdraws an admission and turns it into a denial in relation to an allegation in Paragraph 18(7) of the Particulars of Claim that the work of placing the stone was badly done and was inadequate, pointing to the diameter of the columns being no more than 500mm. Paragraph 16.12 answers an allegation which in another way pleads the same point but says "subject to…Paragraph 16.8" the first sentence (that there was a design inadequacy that 750mm was inadequate to limit settlement) is admitted. It appears to be inconsistent and certainly confusing.
(b) Paragraph 17.2 is misleading in that it admits "in the respects shown below" that Pennine's calculations were optimistic or wrongly assessed and says that Pennine acting competently would have alerted the Defendant, therefore that Pennine was effectively negligent. However, the voluminous particulars given "below" assert that there was no negligence. Mr Patten QC said that what was really meant in one of the sub-paragraphs below (Paragraph 17.2.8) was a concession of negligence but that is not what it says particularly in the light of later assertions that the settlement calculations were "not negligent".
(c) The new Paragraph 17.3 is another replacement admission but it does not condescend to explain qualitatively why and on what basis the Pennine calculations for the warehouse would have resulted in settlement of 80mm. Before, in the admission deleted, this was explained as a drastic underestimate with reasons given. In effect, the new paragraph is not adequately particularised.
(a) Paragraph 19.2 as amended is as follows:
"The ground conditions were such that it was not possible to produce a vibro-replacement design which would have achieved the design parameters or a maximum settlement of 30mm at the centre and, on the Defendant's case as to the basis of this criterion, -15mm at the edge. In view of John Allen's design of the floor slab detail and pile foundations, it wouldmaynot have been possible to design or construct any vibro-replacement works which would have been effective to produce a serviceable floor. If Pennine had designed and installed a system capable of limiting total settlements to 30mm the overall foundation scheme designed by John Allen, including the floor slab detail and pile foundations would still have resulted in unacceptable slopes, differential settlements, vanished and distress to the floor slab.
(b) Paragraphs 19.4 to 19.10 of the original Defence set out a secondary case on causation in relation to all areas in the supermarket. The amendment seeks to differentiate between the Store Areas in respect of which Paragraphs 19.5 to 19.9 remain effectively the same and the Warehouse area for which an entirely new pleaded case is advanced. This is in one sense a factually surprising new case to the effect that Pennine would have alerted Mowlem to the fact that, under the specified load, 80 mm of settlement was predictable but that John Allen and Cliveden would have relaxed the loading requirement so that 50mm of settlement (instead of 30 mm) would have been taken as acceptable; the floor would then have "failed".
Claimant's Application for Valuation Expert
Decision